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CIKM
2009
Springer
16 years 1 months ago
Towards non-directional Xpath evaluation in a RDBMS
XML query languages use directional path expressions to locate data in an XML data collection. They are tightly coupled to the structure of a data collection, and can fail when ev...
Sourav S. Bhowmick, Curtis E. Dyreson, Erwin Leona...
ICYCS
2008
IEEE
16 years 1 months ago
DSmT Qualitative Reasoning based on 2-Tuple Linguistic Representation Model
Most of modern systems for information retrieval, fusion and management have to deal more and more with information expressed quatitatively (by linguistic labels) since human repo...
Xinde Li, Xianzhong Dai, Jean Dezert, Florentin Sm...
LICS
2007
IEEE
16 years 1 months ago
Symmetric Datalog and Constraint Satisfaction Problems in Logspace
We introduce symmetric Datalog, a syntactic restriction of linear Datalog and show that its expressive power is exactly that of restricted symmetric monotone Krom SNP. The deep re...
László Egri, Benoit Larose, Pascal T...
ACMICEC
2006
ACM
89views ECommerce» more  ACMICEC 2006»
16 years 24 days ago
A semantic web approach to handling soft constraints in virtual organisations
In this paper we present a proposal for representing soft constraint satisfaction problems (CSPs) within the Semantic Web architecture. The proposal is motivated by the need for a...
Alun D. Preece, Stuart Chalmers, Craig McKenzie, J...
CC
2004
Springer
177views System Software» more  CC 2004»
16 years 6 days ago
Value-Based Partial Redundancy Elimination
Abstract. Partial redundancy elimination (PRE) is a program transformation that identifies and eliminates expressions that are redundant on at least one (but not necessarily all) ...
Thomas VanDrunen, Antony L. Hosking